发明名称 |
Highly swellable absorption medium with reduced caking tendency |
摘要 |
The present invention concerns highly swellable absorption mediums with a reduced caking tendency at high humidity and/or high temperatures, wherein a swellable polymer is coated with a non-ionic, nitrogen-containing surfactant and optionally a Lewis acid and then reacted by heating. |
申请公布号 |
US8247640(B2) |
申请公布日期 |
2012.08.21 |
申请号 |
US20100718617 |
申请日期 |
2010.03.05 |
申请人 |
JONAS GERD;MERTENS RICHARD;FRANK MARKUS;EVONIK STOCKHAUSEN GMBH |
发明人 |
JONAS GERD;MERTENS RICHARD;FRANK MARKUS |
分类号 |
A61F13/15;A61L15/48;A61L15/60;B01J20/26;C08J3/12 |
主分类号 |
A61F13/15 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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